251542251141052 has 12 divisors (see below), whose sum is σ = 440513592072400. Its totient is φ = 125681224834656.

The previous prime is 251542251141047. The next prime is 251542251141169. The reversal of 251542251141052 is 250141152245152.

It is a junction number, because it is equal to n+sod(n) for n = 251542251140996 and 251542251141014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22475177673 + ... + 22475188864.

Almost surely, 2^{251542251141052} is an apocalyptic number.

It is an amenable number.

251542251141052 is a deficient number, since it is larger than the sum of its proper divisors (188971340931348).

251542251141052 is a wasteful number, since it uses less digits than its factorization.

251542251141052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44950367940 (or 44950367938 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The spelling of 251542251141052 in words is "two hundred fifty-one trillion, five hundred forty-two billion, two hundred fifty-one million, one hundred forty-one thousand, fifty-two".